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# Test with AUTO_INCREMENT CREATE TABLE tp (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b varchar(24)) ENGINE = 'MyISAM' PARTITION BY HASH (a) PARTITIONS 4; Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. CREATE TABLE t LIKE tp; Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. Warning 1287 The partition engine, used by table 'test.t', is deprecated and will be removed in a future release. Please use native partitioning instead. ALTER TABLE t REMOVE PARTITIONING; SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL AUTO_INCREMENT, `b` varchar(24) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (a) PARTITIONS 4 */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL AUTO_INCREMENT, `b` varchar(24) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 INSERT INTO tp (b) VALUES ("One"), ("Two"), ("Three"), ("Four"), ("Five"), ("Six"), ("Seven"), ("Eight"), ("Nine"), ("Ten"), ("Eleven"), ("Twelwe"); INSERT INTO tp VALUES (97, "Ninety seven"); INSERT INTO tp VALUES (111, "One hundred eleven"); INSERT INTO tp VALUES (101, "One hundred one"); SET INSERT_ID = 13; INSERT INTO t (b) VALUES ("Thirteen"); SET INSERT_ID = 21; INSERT INTO t (b) VALUES ("Twenty one"); SET INSERT_ID = 25; INSERT INTO t (b) VALUES ("Twenty five"); SET INSERT_ID = 55; INSERT INTO t (b) VALUES ("Fifty five"); DELETE FROM tp WHERE a = 111; DELETE FROM t WHERE a = 55; UPDATE tp SET a = 41 WHERE a = 101; UPDATE t SET a = 17 WHERE a = 25; SELECT PARTITION_NAME, IF(TABLE_ROWS, 'YES', 'NO') AS HAVE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA ='test' AND TABLE_NAME = 'tp'; PARTITION_NAME HAVE_ROWS p0 YES p1 YES p2 YES p3 YES SELECT IF(TABLE_ROWS, 'YES', 'NO') AS HAVE_ROWS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA ='test' AND TABLE_NAME = 't'; HAVE_ROWS YES ALTER TABLE tp EXCHANGE PARTITION p1 WITH TABLE t; SELECT PARTITION_NAME, IF(TABLE_ROWS, 'YES', 'NO') AS HAVE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA ='test' AND TABLE_NAME = 'tp'; PARTITION_NAME HAVE_ROWS p0 YES p1 YES p2 YES p3 YES SELECT IF(TABLE_ROWS, 'YES', 'NO') AS HAVE_ROWS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA ='test' AND TABLE_NAME = 't'; HAVE_ROWS YES SELECT * FROM tp ORDER BY a; a b 2 Two 3 Three 4 Four 6 Six 7 Seven 8 Eight 10 Ten 11 Eleven 12 Twelwe 13 Thirteen 17 Twenty five 21 Twenty one SELECT * FROM t ORDER BY a; a b 1 One 5 Five 9 Nine 41 One hundred one 97 Ninety seven SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL AUTO_INCREMENT, `b` varchar(24) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM AUTO_INCREMENT=112 DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (a) PARTITIONS 4 */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL AUTO_INCREMENT, `b` varchar(24) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM AUTO_INCREMENT=102 DEFAULT CHARSET=latin1 DROP TABLE tp, t; CREATE TABLE t (a INT, b VARCHAR(55), PRIMARY KEY (a)) ENGINE = 'MyISAM'; CREATE TABLE tp (a INT, b VARCHAR(55), PRIMARY KEY (a)) ENGINE = 'MyISAM' PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (100), PARTITION p1 VALUES LESS THAN MAXVALUE); Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. CREATE TABLE tsp (a INT, b VARCHAR(55), PRIMARY KEY (a)) ENGINE = 'MyISAM' PARTITION BY RANGE (a) SUBPARTITION BY HASH(a) (PARTITION p0 VALUES LESS THAN (100) (SUBPARTITION sp0, SUBPARTITION sp1), PARTITION p1 VALUES LESS THAN MAXVALUE (SUBPARTITION sp2, SUBPARTITION sp3)); Warnings: Warning 1287 The partition engine, used by table 'test.tsp', is deprecated and will be removed in a future release. Please use native partitioning instead. INSERT INTO t VALUES (1, "First value"), (3, "Three"), (5, "Five"), (99, "End of values"); INSERT INTO tp VALUES (2, "First value"), (10, "Ten"), (50, "Fifty"), (200, "Two hundred, end of values"), (61, "Sixty one"), (62, "Sixty two"), (63, "Sixty three"), (64, "Sixty four"), (161, "161"), (162, "162"), (163, "163"), (164, "164"); Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. INSERT INTO tsp VALUES (2, "First value"), (10, "Ten"), (50, "Fifty"), (200, "Two hundred, end of values"), (61, "Sixty one"), (62, "Sixty two"), (63, "Sixty three"), (64, "Sixty four"), (161, "161"), (162, "162"), (163, "163"), (164, "164"); Warnings: Warning 1287 The partition engine, used by table 'test.tsp', is deprecated and will be removed in a future release. Please use native partitioning instead. SELECT * FROM t; a b 1 First value 3 Three 5 Five 99 End of values SELECT * FROM tp; a b 10 Ten 161 161 162 162 163 163 164 164 2 First value 200 Two hundred, end of values 50 Fifty 61 Sixty one 62 Sixty two 63 Sixty three 64 Sixty four # Start by testing read/write locking SET AUTOCOMMIT = 1; # con1 SET DEBUG_SYNC= 'swap_partition_after_compare_tables SIGNAL swap_in_progress WAIT_FOR goto_verification'; SET DEBUG_SYNC= 'swap_partition_first_row_read SIGNAL swap_in_progress WAIT_FOR goto_wait'; SET DEBUG_SYNC= 'swap_partition_after_wait SIGNAL swap_in_progress WAIT_FOR goto_rename'; SET DEBUG_SYNC= 'swap_partition_before_rename SIGNAL swap_in_progress WAIT_FOR test_done'; ALTER TABLE tp EXCHANGE PARTITION p0 WITH TABLE t; # con default SET DEBUG_SYNC= 'now WAIT_FOR swap_in_progress'; # select from t and select/update/delete/insert from tp should work SELECT * FROM t WHERE a = 99; a b 99 End of values SELECT * FROM tp WHERE a = 61; a b 61 Sixty one # any write (update/delete/insert) into t or tp should fail SET SESSION lock_wait_timeout=1; UPDATE tp SET a = 53, b = concat("Fifty three, was ", b) WHERE a = 63; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO tp VALUES (63, "Sixty three, new"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM tp WHERE a = 59; ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE t SET a = 53, b = "Fifty three, was three" WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t VALUES (63, "Sixty three, new"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM t WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE t ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE tp ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION p1 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SET DEBUG_SYNC= 'now SIGNAL goto_verification'; SET DEBUG_SYNC= 'now WAIT_FOR swap_in_progress'; # select from t and select/update/delete/insert from tp should work SELECT * FROM t WHERE a = 99; a b 99 End of values SELECT * FROM tp WHERE a = 61; a b 61 Sixty one UPDATE tp SET a = 43, b = concat("Fifty three, was ", b) WHERE a = 63; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO tp VALUES (63, "Sixty three, new 2"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM tp WHERE a = 59; ERROR HY000: Lock wait timeout exceeded; try restarting transaction # any write (update/delete/insert) into t should fail UPDATE t SET a = 53, b = "Fifty three, was three" WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t VALUES (63, "Sixty three, new"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM t WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE t ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE tp ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION p1 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SET DEBUG_SYNC= 'now SIGNAL goto_wait'; SET DEBUG_SYNC= 'now WAIT_FOR swap_in_progress'; # Both tables should now be under exclusive lock, even SHOW should fail SELECT * FROM t WHERE a = 99; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT * FROM tp WHERE a = 61; ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE tp SET a = 53, b = concat("Fifty three, was ", b) WHERE a = 63; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO tp VALUES (63, "Sixty three, new 2"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM tp WHERE a = 59; ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE t SET a = 53, b = "Fifty three, was three" WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t VALUES (63, "Sixty three, new"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM t WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE t; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE tp; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE t ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE tp ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC= 'now SIGNAL goto_rename'; SET DEBUG_SYNC= 'now WAIT_FOR swap_in_progress'; # Both tables should now be under exclusive lock SELECT * FROM t WHERE a = 99; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT * FROM tp WHERE a = 61; ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE tp SET a = 53, b = concat("Fifty three, was ", b) WHERE a = 63; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO tp VALUES (63, "Sixty three, new 2"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM tp WHERE a = 59; ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE t SET a = 53, b = "Fifty three, was three" WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t VALUES (63, "Sixty three, new"), (59, "To be deleted"); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM t WHERE a = 3; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE t ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ALTER TABLE tp ENGINE = 'MyISAM'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE t; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SHOW CREATE TABLE tp; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC= 'now SIGNAL test_done'; # con1 # con default # Tables should now be as normal SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION p1 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SELECT * FROM tp WHERE a = 99; a b 99 End of values SELECT * FROM t WHERE a = 61; a b 61 Sixty one UPDATE t SET a = 53, b = "Fifty three, was sixty three" WHERE a = 63; INSERT INTO t VALUES (63, "Sixty three, new"), (59, "To be deleted"); DELETE FROM t WHERE a = 59; UPDATE tp SET a = 53, b = "Fifty three, was three" WHERE a = 3; INSERT INTO tp VALUES (63, "Sixty three, new"), (59, "To be deleted"); DELETE FROM tp WHERE a = 3; ALTER TABLE t ENGINE = 'MyISAM'; ALTER TABLE tp ENGINE = 'MyISAM'; Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. # con default SET DEBUG_SYNC= 'RESET'; SHOW CREATE TABLE t; Table Create Table t CREATE TABLE `t` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 SHOW CREATE TABLE tp; Table Create Table tp CREATE TABLE `tp` ( `a` int(11) NOT NULL, `b` varchar(55) DEFAULT NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION p1 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */ Warnings: Warning 1287 The partition engine, used by table 'test.tp', is deprecated and will be removed in a future release. Please use native partitioning instead. SELECT * FROM t; a b 10 Ten 2 First value 50 Fifty 53 Fifty three, was sixty three 61 Sixty one 62 Sixty two 63 Sixty three, new 64 Sixty four SELECT * FROM tp; a b 1 First value 161 161 162 162 163 163 164 164 200 Two hundred, end of values 5 Five 53 Fifty three, was three 59 To be deleted 63 Sixty three, new 99 End of values DROP TABLE t, tp, tsp;